How long does one heartbeat take?

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Prepare for the PLTW Biomedical Science Test. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your exam!

Multiple Choice

How long does one heartbeat take?

Explanation:
One heartbeat is the duration of a single cardiac cycle. At rest, a typical heart rate is about 75 beats per minute, so each beat lasts roughly 60 seconds divided by 75, which is about 0.8 seconds. In general, slower resting rates (around 60 bpm) give ~1.0 second per beat, while faster rates (around 100 bpm) give ~0.6 seconds per beat. So 0.8 seconds fits a common resting heartbeat duration.

One heartbeat is the duration of a single cardiac cycle. At rest, a typical heart rate is about 75 beats per minute, so each beat lasts roughly 60 seconds divided by 75, which is about 0.8 seconds. In general, slower resting rates (around 60 bpm) give ~1.0 second per beat, while faster rates (around 100 bpm) give ~0.6 seconds per beat. So 0.8 seconds fits a common resting heartbeat duration.

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